/*
* Copyright 2010 Pavel Kozhin 
*
* Licensed under the Apache License, Version 2.0 (the "License"); 
* you may not use this file except in compliance with the License. 
* You may obtain a copy of the License at 
* 
* http://www.apache.org/licenses/LICENSE-2.0
* 
* Unless required by applicable law or agreed to in writing, software 
* distributed  under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
* See the License for the specific language governing permissions and 
* limitations under the License.
*
* Author: Pavel Kozhin.
*/

package org.etherframework.wire
{
	import flash.utils.Dictionary;
	
	internal final class WireStorage
	{
		internal var cache:Dictionary;
		
		public function WireStorage(cache:Dictionary)
		{
			this.cache = cache;
		}
		
		public function getItem(value:*):*
		{
	    	if (!value)
				return null;
			
			return cache[value];
		}
		
		public function addItem(value:WireInfo):void
		{
			if (value && !cache[value.target])
			{
				cache[value.target] = value;
			}
		}
		
		public function removeItem(value:WireInfo):void
		{
			if (value && cache[value.target])
			{
				delete cache[value.target];
			}
		}
		
	}
}